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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

City of Galena Park

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).

 

16

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0402 ppb660.0316 ppb - 0.0508 ppb
20150.0312 ppb108ND - 0.0502 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-11-174K21029-060.0508 ppb
2014-11-174K21029-050.0399 ppb
2014-11-174K21029-040.0460 ppb
2014-11-174K21029-020.0344 ppb
2014-11-174K21029-010.0316 ppb
2014-11-174K21029-030.0383 ppb
2015-02-095B11014-020.0363 ppb
2015-02-095B11014-010.0344 ppb
2015-05-275F03012-050.0458 ppb
2015-05-275F03012-060.0502 ppb
2015-05-275F03012-04ND
2015-05-275F03012-030.0361 ppb
2015-05-275F03012-020.0373 ppb
2015-05-275F03012-010.0392 ppb
2015-08-245H28016-02ND
2015-08-245H28016-010.0329 ppb